diff --git a/README.md b/README.md
index bf09233..b7a0889 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # React-Lifecycle-Cheatsheet
 
-Short reference of React.Component lifecycle methods so I don't have to scroll through the huge text on the official documentation
+Short reference of React.Component lifecycle methods (as of React 16.3) so I don't have to scroll through the huge text on the official documentation
 
 ![Lifecycle Diagram](./Lifecycle-chart.jpg)
 
@@ -152,7 +152,7 @@ componentWillUnMount () {
 ```
 
 ---
-## Deprecated
+## Deprecated (As of React 16.3)
 
 ### UNSAFE_componentWillMount ()